Collagen and vitamin C are often combined in supplements marketed for healthier-looking skin. However, research suggests that taking them together does not necessarily provide greater benefits than collagen alone if you already get enough vitamin C through your diet, reports EatingWell.
Collagen is essential for healthy skin
Collagen is the skin’s most abundant protein and plays a key role in maintaining its structure, strength and firmness. As we age, the body naturally produces less collagen.
Aging reduces collagen levels
As collagen production declines and its breakdown accelerates, the skin can become thinner, lose elasticity and develop fine lines and wrinkles.
Collagen supplements may offer modest benefits
Research suggests that collagen peptide supplements may provide modest improvements in skin hydration, elasticity and the appearance of wrinkles.
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Visible results take time
The studies referenced in the article generally found that any improvements became noticeable after 8 to 12 weeks of consistent daily use.
Collagen may stimulate skin cells
Researchers believe collagen peptides can survive digestion, enter the bloodstream and stimulate fibroblasts, the cells responsible for producing collagen.
Research still has limitations
Although the findings are encouraging, the article notes that many studies have been industry funded, while products, dosages and study designs vary considerably.
Vitamin C plays a key role
Vitamin C is required for the enzymes that build and stabilize collagen, making it an essential nutrient for collagen production.
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Vitamin C also protects the skin
In addition to supporting collagen synthesis, vitamin C acts as an antioxidant that helps protect skin cells from oxidative stress and supports normal wound healing.
Most people get enough vitamin C
According to the experts, people who regularly eat fruits and vegetables usually meet their daily vitamin C requirements through food alone.
More vitamin C does not mean more collagen
Once the body has sufficient vitamin C for collagen-producing enzymes, current evidence does not show that taking extra vitamin C further increases collagen production.
The combination has limited evidence
There is little research directly comparing collagen alone with collagen combined with vitamin C. One small study found that adding 500 milligrams of vitamin C did not improve skin hydration or elasticity beyond the effects of collagen alone.
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Healthy habits matter most
Experts emphasize that daily sunscreen use, a nutritious diet, adequate hydration, regular physical activity, avoiding smoking and maintaining a consistent skincare routine remain the most effective ways to support healthy skin.
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